Mechanical movement



Nov. 24, 1931. H. D. MULLAN ET AL MECHANICAL MOVEMENT Filed July 2,2. 1929 5 ShEetS-Sheet 1 iINVENTORS H m5 n. mum y awww@ M, um YM.

ATTORNEYS,

Nov. 24, 1931 H. D. MULLAN ET Al.y 1,833,224

MECHANICAL MOVEMENT Filed July 22, 1929 '5 sheets-sheer 2 I N VEN TORS MM m. mm @d @WAND/JW Mmmm A TTORNEYS,

Nov. 24, 1931, H. D. MULLAN ET Al..

n l MECHANICAL MOVEMENT Filed July 22.

1929 5 SheetsFSheet 3 IVENTORS "f w "W7 BY' Mmm, {AMY/WQ@ A TTORNEYS.

Nov. 2f1,l 1931. H. D. 'MULLAN ET Al.` 1,833,224

MECHANICAL MOVEMENT Filed Jul'y 1929 5 Sheets-Sheet 4 Fi 8 l Q s a NUM. I @at INVENTQRSL.

. hwu w www." fag' BY v I q a I g I l z E 2 v ATTORNEYS. Y

Nov. 24, 1931. H. p. MULLAN ET Al. 1,833,224

MECHANICAL MOVEMENT Filed July 22, 1929 5 sheQts-sheet 5 Fijfl 1NVENToR.s

ATTORNEYS,

` herein.

Patented Nov. '219.31

' MEonANI'oAL MovnMEN'rf A Application meuf-July" 22';

Thisv invention relates. tio mechanical move;- ments. f

Y It is anobjeet of this inventiontoprovidel a device designedfto? permit power`4 to -bede:

Iivered to a shaft in either direction of rotationk and tov prevent such-rotation; when power is not being sodelivered.` V a VIt is' a further object to provide a device of the characterfnoted which will permit; the sha-ft tol rotate when the source of power is disconnected therefrom.` 1 Y Sti-ll another object isto provideoran automobile a. device incorporated in the power line shaft and adaptedftoact asfanalbV tomatie break:` rendered: operative when the engine. is retarding thev automobile and inoperative when the engine is `propelling theautom'obile: nf l drawings: Y FigureA l is 'aThorizontal'v sectional View taken von the Vline 1:--1 of `Figure S2 ofade-V vice embodying the invention' `oliseles .ed

Figure 2." isV ar. vertical sectional view? taken 1 Figure 3' is la vertical; 'sectional view. taken on the line 3 3V of Figure? 1-,;the'viewbeing inthe opposite direction to. that otFigure 2.

' Figure 4 is a sectional viewtaken onthe line4 4ofFigure3;A

embodied in;anautomobile."v I a `Figure 6l isa-view partlv in section Ishow ingfa modifiedorm oi' theiinvention. Y Figure 7 isf a sectionalviewy taken on the 1 Figure 8 isa, sectional'view of stillanother Figure 5 ist ai view illustrating thefdeviceV vembodiment of thisinvention.V

Figa isaseotionalj view. o aurther modification.' 4 p I Fie". 10: is: a sectional View oiff another modi# cation. 'p l 1V Y 4 v v'Througgfho ut the`speciicatiou:` like; parts the drawings are referredto* vby` the 'same numeralsff` Y' I "L Y o 'f1-Q" The desi gn of' the' automatio two: wa'fv lock disclosed in Figures 1f 'to 4 inclusive; is: such l Y thaty power may betransferredfromthedrive iT-ng shall-tf1() tof thed'rivenfshaft llrinfam-al alignment' therewith," through @the friction platen-1a 1a whiehfwiii @imp 'either or the` friction ringsffl-.and 14 tot their; respeotiwe friction discsl and; lfeach of which i sse,-y

17 passing loosely through; the nuty l2k and secured, to, the yflange 18 1on1/che l'attervshaft.

.cured the driven shaft l1 by means-of boltsv Surround-ing the magri-nge, and d-isesais"v Varasing 201 provided `with feet 21 "andere: movable plates- 22. Thecasing; is provided.

"with sha-ft bearings 23,.l and 24. Thebeal'e ing 2'3is secured tothe 2Casing byfjbolts: 25 o which Valso ienfzxaggethe; bearing member 26 rfor the `friction disc 16.fy Bearing@ meylfnber` 2.6 earrieslugsl which arelspacedgapartito friction :ri-ng 14;- Bearing 241is` secured t0 ling. slots A34-receivingthe annular Bange 35` 'on the' friction ringing., f Faction'. rines ie with o suitabley a leather;

thecasingby boltsl Fand is provided with nut 12W,y plates' 15y and 16, and shaft llin sub# o i ..stantially.VV axial alignment.; liowevenr to Y more .rmlysecure theseelernents against j relative rotation, lugs: 4 l`and"42 are prof o vided on the: nut l2 engaging lugs 43and 44, respectively, onthe discsl; and 16., The

lugs 4l and` 44- and the, boltsy 17j pernlitlfree .f

' Assuming, thawhepshfpleaning-fel j f tated by a source `ol" powerin the, direction indicated by the arrow,in,Figures, l and'll andl thatythe shaft. n 11 is connected`V withV a power receiving mechanism, then theline resistancejinthe shaft 11 willltendto` holdl it e againstrotation,` Consequently', thenut 12 4willbe:lfleltl by the shaft e11- ancl the ltation tt'glQgw-ill throughthreads Qcause HARRY DQ MULLAN Ann oARLVEsf W.4 TiNGLnYgoE MiLWAuKEnf wisoonsin'lsamf l L MULLAN AssIeNoa 'r'ogsnI-D 'rINeLnY i f so y' Thuswhen: vthev shaft 10 is stationary andthe the nut to travel toward the friction disk lWhen the; friction flange 55 on the nut 12 thereof tol the shaft 11. Y

VAs previously noted Vthe flange the friction r1ng'13 passes through slots 34g in 28 are provided with slots which havespaced Y substantially parallel sidesA 15- theA dogs 33.

tothe slots y29 Vin Vthe do'fs.28 With the excepV tion that lthey are arranged in opposition to the latten As shown in Figurefl the dogs angularly disposed faces 5' 7 and 58 which are disposed in Idifferent planes adapting the shoulders' 59 lto bite tli'e'flangev 30`gwhen romiette' Y therewith.

tated asl'indicated by 'the l arrow.'r thev Y other hand when theifla'nge'is rotated in the oppositel directiont'he parallelv faces of the Vslots 29A will prevent'the vdogsfroni engaging The ends ofthedogs disposed between the lugs 27are'preferable rounded as vvshownvat 60 to permit free'engageme'ntof thefdogswith the flange 3Q' f TAslpreviously mentioned, the clogs 33 are .lriig'e Bt rotate asindicated by thearrow in Figure and gripthe 4flange to prevent jitsjrotation inthe opposite direction.

loadi'or'the'shaft lltends torotat'e" itin opi iposition to'` the arrow on shaft 10,7shaft 1-1 vterten lsto rotate in the opposite direction to f thatfi dois B3, f against the aforesaid rotation;

in'Figure1and the by afload friction plate 1 6 deliveringpower vtothe shaft 11 andthe latf ust, described, the :dogs 2 8l will engage they flange' 30 as previously described and 'hold the shaftll aaainstgrotation.' 'i

Y' VvFrom the foregoing it s lapparentthat Vif .arten-aa `1o @is had Stationary anaaiesha'a 1 1 `tends torotatein either directiong it will I behelda'gainst such rotation by appropriate dogs er;` 2 8 operating as vpreviouslydescribed.Vr

- Another' feature this invention is found aet'asabrake retarding theirot'ation of shaft 11j For instance, .supposing the shaftjlOfi'sl rotating` as'indicatedfin' Figure 1 and thefshaft Yin;tlieifact thatif thel shaft l 10 is rotating an'dthegsh'aft 11 tends'toover-run the shaft 1Q5thenut'12 will bemoved accordingly to engage oneof the'friction plates which will 11 tends to'move atl affagter ratezthanshaft 10,

v speed of theshaftlO.

These slots arencut similarly throng'h thetranrnission 61 Vand the driven ein(rr desci'i tieni terminating sin thengine 60 has-decreased its speed, it will y Vpropeller shaft 'b2 will lspeediof the otherfhand,-iff theengine 60 is idle, will through lthe shaftf'lO- cause-the device/d isthe sanieasthe dogs28`e`xeept that theyper'-V Y vantage.

f .in whieh'the When the friction-disc isthusengaged the yfriction ringl vwill-act as a-ibrale band permitting the shaft 11 to'frotate only atsthe `Figure 5 shows the vt will be ob vious that when through vshaft lOvcaiise thenut 12 toengag'e Vonerof the rings. 13 orlll :with its cooperating 16. In this mannerthe.

friction dise -15 or baretarded and the automobile decreased. Ontheclosed herenilto"lock'the propeller shaft "le i device" described A" as applied to an automobile.`V `The power shaft-10Y is connected-with the engine- 6 0 t Vshaft 1'1fis connected with the propeller shaft 62 tlirougl1 the'universal 63.` From the foreagainst rotation in either'direction unless'the en ife O'is actually propelling the shaft G2." The ad vlantag'eof having Va device embody:

V ina` this invention incorporatedinan automobile'lies inthe/fact that the 'automobile speed may be automatically controlled by Amerely regulating: the .flow of. the explosive. mixture as `an` -auton1atic brake,Z Q Anotherf` advantageous 'feature is" that the;y automobileimay be to Vthefeng-ine, the:fdevicelreferredatoacting'- f parkedon aninclineand `will remains'tatio'n-V Y aryfaslong as the enginelisidlei'z.- it niavjhappenfthatwhile drivrn'gznpor down otherwise uncontrollableli this invention is underpositivecontrol at all times", such'controlfbeing-derived by'thema"V j nipulation'iofthe vf'oot accelerator or hand throttle.` g

While we havefspecifically"shown .ourfin vention'as applied-to an automobile, is to be understood that welrecognize otherfde vices inwhich itmay 'beincorporatedto adable to preventaf'reversal of thepower/ when power is net applied theretogorpreflvent a power shaft from beingzrotatedf'faster than powerfis inventinma'y be adoptedto advantage f In Figures 6 and 7 a modifi-ed forni is shown Ime driving shaftfl'OO'andthe driven vsha-ft 101 are not co-'axialbut vare parallel.

The shaft- 1005 .provided with;` ai vthreaded portion 50-.,which engages the fricti on plate rings' ydevice disclosed herein will'fautomatically stopthep`ro','q'ress of the'antomobile if theengine is stopped. vAn automobile'embodying' In any "machine 'where itv is desir Y aan being deliveredthereto, this-V Y f i nasen@ mspceveiy'inesh with gars'nerad T1201 VVcured to the Shaft 101. Pinio'ns'lland 118 'are rotatablymounted onthe'ehaft i100.

The clutchrings ligand 114 areeaeh prf Vi'ded With gear teeth 4mesh-ing With the ipinions 1 21 and 122 respectiv'ely.` Pinions 121v and .122 are each carried by arms 123 and 1211,. respectively, 'pivotal-1y mounted f112f5" in the :casing 126. Thus th'earm's mayf'swing about ,their respective 'piy'fotskand carry the piions 121 and'122 into or oi1tofe'ngaement with dogs 130 and 131, respectively.'

The dogs are eachcarried from the casi-ng 126 by brackets132' and133 andlthearins are Vlimited in their movementstaytfay from their respective dogs by stops 134 vand i135 engaging Vlugs 186 .and 137 on.l thecasihg.. Nut 12is always engagedwith the discs 115 :and 116 Aby 1u'gs13'8 and 139 which prevent relative rotation butl alloyvf` relative axial movement between the nut 12 and discs.;

The principle of operation ofthe modified form just described is much the same as that disclosed in Figures-1 'to 4, inclusive. Rota-- tion ofthe shaft 100 Willthrouigh the :threads 0 `causethe nut 125'1to1engage eitheruof the clutch rings 113 or llfiiaccordingto;the'direetion in which shaftlOO Vis rotated. 'f IfitA "isrotated in the 'direction'ibf thel arrow A,

then the nut 12 will through the-,ring 113 elngage the plate 115 WhichWiIl then-be rotatedV in the same direction With the shaft 100; Pinion 117, being integral"withl plate 115,1Wi111 be i -rot'atedtherew'ith andfcause gear 119 tojrotate` shaft 101 in the direction o-flarrw .G-. z

If the shaft 100 is idle and shaft 101rtends to rotate it reversely tothe direction above indicated, then the teeth. on clutch Iii-11g '1113 Will carry the pinion 121: 'see Fig. .7)1b'afck into; contact With the dogylSO which: Willen-V gage between the teeth ofpinioni121and prevent its. rotation. This pin-ion rWill- .TiriV `turn preventthe clutch ringe;v 11 13from-j-rotadzrng and thereby through nut12 vhold the shaft r 100 stationary, and through plate; llfhold y the shaft 101 also Vstationafrjy;`

if the shaft =isiotatedin thedirection B,the nut 12 Wil-l `engfngfe; the clutch; ring "114 with` the plate 116 and throughopinion 11,8 and gear 12() r`ot`ate'the-shaft101:,in the direction' D. Shaft 101` cannotreverse this action since the clutch'Y ring 11% will beheld stationary vwhen tliefpi-nion 122qengag'es the dog 1.31 in the siamo manner 'as the'pini'on 121 engagesthe dog 130.

Shoull the shaftV 101 for any rea-Son `ten-d to overrun the 100. then thelnutuwiil be disengaged from one of the clutch. rings and engaged Withtheother to act asa'brale V liifered to sha-iftlOO. f i v a permitting the shaft 100v to rotate-at 'the speed determined by the vsoiiree of power de- 1 Figure 8 shows another; modified form' of Y the presentiiuventiont This modificati Onis .smil-ar to Vthe design first -desoribedin' that 'the anta-.gi amai ally aligned, The ri v l ,y i videdwithY` a Y bearing 151 thiagg' 152 Vis provided' vwith sln'ed y 'with a `driven shaft not shown;

1` Extendingraaialiiy thema isla'. @main f y able'with frictiondiscs 158, and isos disc lf'ehaving-leather facin`gs157 age with pifnions" 162 'and 103 Y 4 `carried b'yf arms l 164 find: 165.

Arms 164' and 165 e'respoi' tiyelyfpiyoted tothecasinlg V152 atv166 andf f 116i. 'hefpnonsflf and 1.63am prevented `from rotating in ina-nner ,Similar to' vand undergsiniila'r conditions "asthe pinions 121 and122 in-Figureszand 7?. Inthismodiication, ther mit' ,carriesthe frictionlfacin-g z antiltfhefriiction discsfdirectlly` engage the .shaft-tifo'cking mechanism which `opeiateslin VK.exactly thegame Way as that shown 1n Figures 6 afnd VV and jwill not therefore be par# Referringnow 'to Eigures. 1 to 4, inclusive,

ithe.Slraftlt'is provided 'wilth an' enlarged v end l51 which. isi positioned? `between Ythe' end 54 of'shaft 11 and annular shoulder 53 thus 1- thrustslfare allfdissiiiatedin the casiig',lw'hile therefore preferablej'since therea're no appreeiablelosses of lfi'ewerin friction; i i

n'iiftt'ed to Athe: casing: The.' first disclsurigis Bymerely changing the direction intvhlich reati-ori(maybeV changed;"` l l Y Fig; 9 shows' device in' Which-th' `or' locking; dogsr are rendere which-the spiialagar its is Siidably epuhed.

len-ralf er1 fria-lien plates 174 ana. 175,;w'hieh are''respec'tivelyengageable by `cllutcla;or .fricl 'ti'oiiinge 6 177i :1l-15 i q l l Thechitchringsjo i oifieratewiiith the jdogs /SV and179l in the,

described fdeieeaj That fing 151e mayffl- 20 v frfeely rotatein Vthe direction findicatedffby y .arrow B but 4will .be heldagainstfrotaton -,Il

theopposite direction,bydogfS. @may freely rotate inthe directioniindicated "tirarmi-'rebut will beheld.egansttotatn inthe'opposite directionigbyfdog .179'.AV {Dog @casing 1711 and 'dog is carried by-'t' .Web i .181 constituting 'anginnergwallheicasing!i l 9s, confining thev thrusts caused.bythe"4 nut12 t Vof a threaded portion on one of said shafts,

a nut on said threaded ortion having a fricp tion liange, a air of riction plates secured to the other o said'shafts in spaced relationV to each other and having said nut disposed between them, said plates and nut having interlocking shoulders permitting lateral movement between the nuty and the plates, friction rings disposedfbetween said friction flange and friction plates, and means prevent-y ing Vrotation of said rings in one direction While permitting rotation thereof in the ope posite direction, said rings being rotatable, opposite to each other, said means including a clutch iange on each of said rings and dogs engageable Vwith said direction. p

3. The combination with a pair of shafts,

on, a driven shaft, friction plates secured? I Y A thereto and disposed upon oppositesides of said nut, said nut being confined against profy tation relative to said plates.

7. In a-p'ower transmitting and, braking f. device having a driving shaft provided with.

a threaded` portion, a nut engaging said Y, 'n threadedv portion for axial movement theref` on, a frictionplate disposed uponeach side of said nut, and boltspassing through said relative ,separation and movement` of said nut. V

o. w. TINGLEY.

clutch flanges in one p of a threaded portion on one of said shafts, V

a nut on said threaded portion having a friction iange, a pair of friction plates secured and means preventing rotation of said plates in one direction as determined by the engagement of said Han-ge therewith, said rings beingrotatable opposite to'each other.

4. In a power transmitting and" braking a threaded portion, a nut engaging jsaid threaded portion for axial movement thereon, a pair of friction plates rotatable about the axis of said shaft andA disposed upon opposite sides of said nut for frictional engagement therewith, and means' securing said plates together against relative axial movement and engaging said nut for preventing rotation thereof relative to said lplates but permitting axial movement thereof relative to said plates.

f to the other of said shafts, in yspacedV relation p device having a driving shaft provided with 5.. In a power transmittingand braking` del vice having a driving shaft'provided with a threaded portion, a nut engaging said threaded. portion for axial movementV thereon, a

pairV of friction plates rotatable about the axis of said shaft and disposed upon opposite sides of said nut for frictional engagement therewith, means securing said plates tothreaded portion for axial ,movement theregether against relative-axial movement and l r HARRY lD. MU-LLAN. i

,plates and vnut securingthe plates against 4 i permitting ,axial 

